{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "Although only few clinical descriptions of the relationship between hyperalgesia / myoclonus and high doses of morphine are available , experimental support from animal studies indicates that morphine , or its metabolites , plays a causative role for the observed behavioural syndrome ."}
{"Disease": ["hyperalgesia", "myoclonus"], "Chemical": ["morphine"]}